package summer_vacation.qiuyangyang;
import java.util.Scanner;
/**
 * Created by Administrator on 2015/8/21 0021.
 */
public class Assignment_03 {
    public static void main(String[] args) {
        System.out.println("请输入一个数：");
        Scanner input=new Scanner(System.in);
        int i=input.nextInt();
        if((i%7==0) && (i%5==0)){
            System.out.println("yes");
        }else{
            System.out.println("no");
        }
    }
}
